Question

I SERIOUSLY NEED HELP HERE!!!!!


PLEASE SOMEONE HELP ME ON THIS!!!!!

NEED MAJOR HELP HERE CALCULATOR QUIT ON ME!!!!!!!
scientific calculator of a TI83 or TI84  ( does that help?)
Use the data below to find the correlation coefficient. (Remember to choose DiagnosticOn on your calculator.)




x        y
270   70
230   75
250   68
310   82
285   80
275   76
281   73
267   81
252   72
246   79

The correlation coefficient is _____. Round to the nearest thousandth.

THESE ARE MY OPTIONS:
a. 0.438
b. 0.192
c. 0.5
d. 0.720

Answer 1

The plot of the data and the regression line is shown in the figure below.
The best straight line is
y = 51.0686 + x 0.092x

The correlation coefficient is 0.192.

Answer: b